LTC1732EMS-4 Linear Technology, LTC1732EMS-4 Datasheet
LTC1732EMS-4
Specifications of LTC1732EMS-4
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LTC1732EMS-4 Summary of contents
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... LTC1732-4 or below 4.05V for the LTC1732-4.2, a new charge cycle will automatically begin. The LTC1732 is available in the 10-pin MSOP package. , LTC and LT are registered trademarks of Linear Technology Corporation. Single Cell 4.2V Li-Ion Battery Charger ...
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... PROG Pin Source Current, V 5mV PROG R =19.6k PROG I = 5mA ACPR CHRG I = 5mA CHRG U W INFORMATION ORDER PART NUMBER TOP VIEW 10 ACPR LTC1732EMS-4 9 SENSE 8 V LTC1732EMS-4 DRV 6 PROG MS10 PART MARKING MS10 PACKAGE LTNJ = 180 C/W JA LTUA MIN TYP MAX 4 4.059 4.1 4.141 = V 4.158 4 ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER I End of Charge Indication Current Level C/10 t TIMER Accuracy TIMER V Recharge Battery Voltage Threshold per Cell RECHRG Note 1: Absolute Maximum Ratings are those values beyond ...
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LTC1732-4/LTC1732-4 TYPICAL PERFOR A CE CHARACTERISTICS Battery Charge Current vs Temperature 540 R =19.6k PROG R = 0.2 SEN 530 BAT 520 510 500 490 480 470 460 –50 –25 0 ...
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PIN FUNCTIONS BAT (Pin 1): Battery Sense Input. A bypass capacitor more is required to keep the loop stable when the battery is not connected. A precision internal resistor divider on this pin ...
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LTC1732-4/LTC1732-4.2 W BLOCK DIAGRA UNDERVOLTAGE LOCKOUT V = 4.1V UV CHRG 3 C/10 STOP UVLO 35 A ACPR LOGIC SHDN TIMER 4 OSCILLATOR ACPR 10 C3 BATTERY CURRENT I = (2.457V • 800 )/(R BAT PROG ...
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U OPERATIO The LTC1732 is a linear battery charger controller. The charge current is programmed by the combination of a program resistor (R ) from the PROG pin to ground PROG and a sense resistor (R ) between the V ...
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LTC1732-4/LTC1732-4 APPLICATIONS INFORMATION Charger Conditions The charger is off when any of the following conditions exist: the V pin voltage is less than 4.1V, the dropout voltage CC (V – less than 54mV ...
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U U APPLICATIONS INFORMATION After a complete charge cycle has occured (V and the battery remains connected to the charger, a new charge cycle will begin if the battery voltage drops below 4.05V because of a load on the battery ...
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LTC1732-4/LTC1732-4 APPLICATIONS INFORMATION Gate Drive Typically the LTC1732 controls an external P-channel MOSFET to supply current to the battery. An external PNP transistor can also be used as the pass transistor instead of the P-channel MOSFET. Due to ...
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... INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... LT1620 Rail-to-Rail Current Sense Amplifier LTC1729 Termination Controller for Li-Ion LTC1730 Li-Ion Pulse Charger TM LTC1734 ThinSOT Li-Ion Linear Battery Charger ThinSOT is a trademark of Linear Technology Corporation. Linear Technology Corporation 12 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 www.linear-tech.com 0.47 F ...